5
!
Please note
Incorrect ambient conditions can
lead to heating system damage
and can put safe operation at
risk.
■ Ensure ambient temperatures
are above 0 °C and below
35 °C.
■ Prevent air contamination by
halogenated hydrocarbons
(e.g. as contained in paints,
solvents or cleaning fluids)
and excessive dust (e.g.
through grinding/polishing
work).
■ Avoid continuously high
humidity levels (e.g. through
continuous drying of washing).
Extractors
The operation of appliances that extract
air to the outside (cooker hoods, extrac-
tors, air conditioning units, etc.) can
create negative pressure. If the boiler is
operated at the same time, this can
lead to a reverse flow of flue gas.
Danger
The simultaneous operation of
the boiler and appliances that
extract air to the outside can
result in life threatening poison-
ing due to a reverse flow of flue
gas.
Take suitable steps to ensure an
adequate supply of combustion
air. If necessary, contact your
heating contractor.
Auxiliary components, spare and wearing parts
!
Please note
Components not tested with the
heating system may damage the
system or affect its function.
Have all installation or replace-
ment work carried out exclu-
sively by qualified contractors.
Safety instructions
For your safety
(cont.)
5837147
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